   #include<stdio.h>
   #include<stdlib.h>
   int main()
{
  int i,j,x=10,y=5;
  char input;
  while(1)
  {
   system("cls");
   for(i=0;i<x;i++)
    printf("\n");
   for(j=0;j<y;j++)
    printf(" ");
    printf("*\n");
    scanf("%c",&input);
    if(input=='s')
        x++;
    if(input=='w')
        x--;
    if(input=='a')
        y--;
    if(input=='d')
        y++;

  }
  return 0;
}
